MAGETWO-99371: Wrong calculation of invoiced items

Author: dyushkin

app/code/Magento/Sales/Model/Service/InvoiceService.php

@@ -182,8 +182,7 @@ public function prepareInvoice(
     }
 
     /**
-     * Prepare qty to invoice for parent and child products
-     * if theirs qty is not specified in initial request.
+     * Prepare qty to invoice for parent and child products if theirs qty is not specified in initial request.
      *
      * @param Order $order
      * @param array $orderItemsQtyToInvoice
@@ -200,7 +199,8 @@ private function prepareItemsQty(
                 }
             } else {
                 if (isset($orderItemsQtyToInvoice[$orderItem->getParentItemId()])) {
-                    $orderItemsQtyToInvoice[$orderItem->getId()] = $orderItemsQtyToInvoice[$orderItem->getParentItemId()];
+                    $orderItemsQtyToInvoice[$orderItem->getId()] =
+                        $orderItemsQtyToInvoice[$orderItem->getParentItemId()];
                 }
             }
         }

dev/tests/integration/testsuite/Magento/Sales/Model/Service/InvoiceServiceTest.php

@@ -105,8 +105,7 @@ public function testPrepareInvoiceBundleProduct(
         array $qtyToInvoice,
         array $qtyInvoiced,
         string $errorMsg
-    ): void
-    {
+    ): void {
         /** @var Order $order */
         $order = Bootstrap::getObjectManager()->create(Order::class)
             ->load('100000001', 'increment_id');